Because she was an operetta (operator).
They only work 10% of the time.
Alt right
The girl who puts it there.
The Alaskan Bull Worm.
Two. One to change the bulb and one to sing about how grand the old bulb was.
Mount Rushmore.
Disclaimer: I don't know how well this joke will work in English. What's yellow and lies in a pond? An excevator. You don't think this is funny? Neither does the operator.
Nutty Marietta!